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Games like Sins of a Solar Empire II on Steam

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Planets Under Attack Play as humans or robots in a brand new sci-fi strategy adventure! Travel into the far reaches of space, through cleverly designed star constellations and variable game modes, conquering enemy planets using 15 combinable technologies.
Similarity 61%
Price -96% 0.57€
Rating 7.0
Release 27 Sep 2012
Interstellar Space: Genesis Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy!
Similarity 60%
Price -96% 1.39€
Rating 7.9
Release 25 Jul 2019
Halo Wars: Definitive Edition Halo Wars: Definitive Edition is an enhanced version of the real-time strategy classic, Halo Wars, updated to run natively on PC. Halo Wars: Definitive Edition includes improved graphics, new achievements and all of the DLC created for the landmark real-time strategy game.
Similarity 60%
Price 19.99€
Rating 8.8
Release 20 Apr 2017
STAR WARS Galactic Battlegrounds Saga Lead the great armies of the Star Wars™ Episode II: Attack of the Clones saga in intense real-time strategy clashes. Enter the fray as the Galactic Empire, Rebel Alliance, Wookies, Trade Federation, Gungans or Royal Naboo to determine the course of the Galactic Civil War.
Similarity 59%
Price -65% 2.12€
Rating 8.9
Release 01 Mar 2016
Gods and Idols Take the role of a newly ascended deity in Gods and Idols. Carve your place among the stars in an open, dynamic, and massive MMORTS universe. Command the powers of the cosmos, form alliances, and use your worshipers as instruments to further your goals.
Similarity 59%
Price Free to play
Rating 6.6
Release 12 Dec 2016
Galactic Civilizations IV Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.
Similarity 59%
Price 40.99€
Rating 7.1
Release 19 Oct 2023
Star Wolves 3: Civil War Large-scale battles have become a vestige of the past, depleting resources of conflicting parties. Settled space, where welfare and order had reigned, has become a cemetery for dead ships which is flooded with pirates and adventurists.
Similarity 59%
Price -82% 0.92€
Rating 7.9
Release 02 Mar 2010
Multiwinia Multiwinia is a fast-paced, retro-inspired RTS that blends arcade action with strategic depth. Command armies of Multiwinians in multiplayer battles across vibrant, nostalgic environments. With simple controls and dynamic gameplay, it offers endless fun and challenge for players of all skill levels.
Similarity 58%
Price -85% 1.85€
Rating 7.7
Release 19 Sep 2008
Impossible Creatures Steam Edition Impossible Creatures is a 3D RTS game that pits the player against an evil villain. Using Earth’s most formidable animals as building blocks, the player must create an army of genetically-altered mutant monsters in a titanic struggle to protect an unsuspecting world.
Similarity 58%
Price -88% 1.24€
Rating 9.0
Release 11 Nov 2015
BattleGroupVR BattleGroupVR is a first person real-time space strategy where you lead a fleet of powerful warships into battle from the bridge of your own flagship. Assemble your fleet, upgrade your load-outs, train your captains, engage the enemy and secure the sector. Try not to go down with the ship.
Similarity 57%
Price -97% 0.78€
Rating 8.7
Release 31 Jul 2023
ICBM: Escalation ICBM: Escalation is a grand RTS where you command armies, develop cutting-edge tech, and wield devastating weapons. Conquer enemies with conventional forces or nuclear firepower. With new modes like Standoff and Conquest, the game offers deep strategic layers in a global warfare setting.
Similarity 57%
Price -46% 15.94€
Rating 8.3
Release 21 Nov 2024
OpenFront A massively multiplayer real-time strategy game pitting hundreds of players against one another. Over one million nuke each other every month.
Similarity 57%
Price 7.19€
Rating 8.1
Release 17 Sep 2026
NEBULOUS: Fleet Command Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other.
Similarity 57%
Price -69% 9.58€
Rating 8.0
Release 11 Feb 2022
Pandora: First Contact Pandora: First Contact is a science fiction 4X turn-based strategy game on a planetary scale. Our Earth has been exhausted and colonial attempts on other planetary bodies have been in vain. Finally, after decades of exploration, an interstellar probe has brought promise of a new world.
Similarity 57%
Price -93% 2.30€
Rating 6.1
Release 30 May 2014
Line War A new type of RTS with elements from 4X, Wargame, and Real-Time Tactics. Draw commands and execute a superior strategy to defeat your opponent, focusing on high-level decisions rather than constant micromanagement.
Similarity 57%
Price 24.50€
Rating 7.6
Release 05 May 2022
American Conquest In American Conquest, Players set sail from Europe to discover new world and conquer its innumerable riches.
Similarity 57%
Price -83% 0.87€
Rating 6.6
Release 26 Aug 2011
American Conquest: Fight Back American Conquest: Fight Back is the sequel to American Conquest. The most significant events of that glorious time have found their way into this title.
Similarity 57%
Price -84% 0.80€
Rating 6.7
Release 26 Aug 2011
Age of Empires: Definitive Edition Age of Empires, the pivotal real-time strategy game that launched a 20-year legacy returns with modernized gameplay, all-new 4K visuals, 8-person multiplayer battles and a host of other new features. Welcome back to history.
Similarity 57%
Price -85% 3.19€
Rating 8.2
Release 19 Aug 2019
Total Annihilation What began as a conflict over the transfer of consciousness from flesh to machines escalated into a war which has decimated a million worlds. The Core and the Arm have all but exhausted the resources of a galaxy in their struggle for domination.
Similarity 56%
Price 4.99€
Rating 9.3
Release 18 Dec 2015
Starship Troopers: Terran Command Lead the Mobile Infantry in this RTS game set in the Starship Troopers film universe. Balance your army composition with a diverse set of unit types, overcome line-of-sight and line-of-fire challenges through tactical positioning, and use special abilities to smash the Arachnid hordes!
Similarity 56%
Price 28.99€
Rating 8.6
Release 16 Jun 2022
Company of Heroes 2 Experience the ultimate WWII RTS platform with COH2 and its standalone expansions. This package includes the base game, which you can then upgrade by purchasing The Western Front Armies, Ardennes Assault and/or The British Forces. More info in the "About This Game" section below.
Similarity 56%
Price -82% 3.33€
Rating 7.9
Release 25 Jun 2013
Planetary Annihilation: TITANS Wage war across entire solar systems with massive armies at your command. Annihilate enemy forces with world-shattering TITAN-class units, and demolish planets with massive super weapons!
Similarity 56%
Price -85% 3.81€
Rating 8.2
Release 18 Aug 2015
ZEPHON From the developers of Warhammer 40,000: Gladius, ZEPHON is a post-apocalyptic 4X strategy game built on Proxy’s unique tactical combat system. Guide survivors through a turbulent future, navigating unexpected disasters, eldritch horror and cyberpunk monstrosities. What will you do to survive?
Similarity 55%
Price 39.99€
Rating 7.9
Release 08 Nov 2024
Cossacks 3 Cossacks 3 is the return of RTS classics. Obtain resources, build cities and research technologies while taking command of great armies, crushing enemies in grand historical warfares on land and sea!
Similarity 55%
Price -80% 4.04€
Rating 8.0
Release 20 Sep 2016
Company of Heroes: Opposing Fronts The next chapter in the #1 rated RTS franchise thrusts players into a hellish war torn landscape to command two battle-hardened armies in relentless campaigns for honor and country. Players lead the tenacious British 2nd Army during the heroic World War II liberation of Caen, France, and command the German Panzer Elite as they struggle...
Similarity 55%
Price -84% 3.04€
Rating 8.5
Release 24 Sep 2007
Men of War: Vietnam Men of War: Vietnam brings the acclaimed real-time tactics series into a new theater of war – the jungles of Southeast Asia, 1968. Experience the chaos of the Vietnam War through two story-driven campaigns that reveal both sides of the conflict.
Similarity 55%
Price -88% 1.02€
Rating 6.1
Release 08 Sep 2011
Warhammer 40,000: Dawn of War - Anniversary Edition (Classic) All of Warhammer 40,000: Dawn of War in one glorious package. Play the genre-defining classic real time strategy game in all its blood-soaked glory, including four complete campaigns and nine full-fledged factions.
Similarity 55%
Price -34% 9.23€
Rating 9.2
Release 07 Aug 2007
Tom Clancy's EndWar Live the thrilling career of an army commander and lead your army to victory in a massive online World War III! Take control of the U.S.-led Joint Strike Force, the European Enforcers Corps, or the Russian Spetsnaz Guards Brigade in a persistent ongoing World War.
Similarity 54%
Price 9.99€
Rating 7.6
Release 25 Feb 2009
Empire of the Ants Conquer enemy nests and lead your colony through the perils of the forest in this groundbreaking RTS. Empire of the Ants is a photorealistic, third-person real-time strategy game where you command your insect legions in epic battles.
Similarity 54%
Price -55% 18.12€
Rating 7.3
Release 06 Nov 2024
X2: The Threat X²: The Threat is of a new generation of space simulator games, you play the role of Julian Gardna who continues the story set by X: Beyond The Frontier. The updated graphics engine gives the universe a fresher feel with newly designed ships and stations adding to the complexity of the universe.
Similarity 54%
Price -78% 1.14€
Rating 7.8
Release 21 Jul 2006
Aliens: Dark Descent Drop into the gripping journey of Aliens: Dark Descent, a squad-based, single-player action game in the iconic Alien franchise. Lead your soldiers in real-time to stop a new and terrifying kind of Xenomorph outbreak on Planet Lethe.
Similarity 54%
Price -93% 3.08€
Rating 8.5
Release 19 Jun 2023
Company of Heroes: Tales of Valor Company of Heroes®: Tales of Valor™ is the expansion to the Game of the Year winner and highest rated real time strategy franchise Company of Heroes®. Featuring new campaigns to overcome, units to command, and battlefields to conquer, Company of Heroes®: Tales of Valor™ delivers evolved gameplay mechanics and 3 episodic adventures...
Similarity 54%
Price -26% 13.86€
Rating 8.9
Release 08 Apr 2009
Star Wolves Star wolves is a 3D space RPG with deep strategy and tactical elements. The game thrusts players into a world of freelance space hunters in the XXI-XXII century A.D. during a time of political crisis for the all-powerful Empire and the three mega-corporations that control all the known worlds.
Similarity 54%
Price -84% 0.67€
Rating 7.8
Release 02 Mar 2010
Pixel Starships Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven.
Similarity 54%
Price Free to play
Rating 7.1
Release 23 May 2023
STAR WARS Battlefront The STAR WARS™ Battlefront™ Ultimate Edition includes the STAR WARS™ Battlefront™ Deluxe Edition as well as the STAR WARS™ Battlefront™ Season Pass.
Similarity 53%
Price 19.99€
Rating 7.6
Release 11 Jun 2020
Istrolid In Istrolid you design your own unique spaceships from a large number of parts to fit your strategy and play style. With no set units or factions you are free to create a fleet where each ship has its own balanced strengths and weaknesses, from basic fighters and bombers to hulking battleships and speedy destroyers.
Similarity 53%
Price Free to play
Rating 8.3
Release 06 May 2016